summaryrefslogtreecommitdiff
path: root/tests/offsets/offsets.h
blob: 104853272a2c34990c1131dc1679a6f9e0bc7822 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
#ifndef __OFFSETS_H__
#define __OFFSETS_H__

#include <glib.h>
#include <glib-object.h>
#include <time.h>

#include "gitestmacros.h"

/* Test we get the alignment right for various basic types; we put
 * a char in front of of each field to make it more likely that we'll
 * stress out the alignment code.
 */
typedef struct _OffsetsBasic OffsetsBasic;

struct _OffsetsBasic {
  char dummy1;
  gint8 field_int8;
  char dummy2;
  gint16 field_int16;
  char dummy3;
  gint32 field_int32;
  char dummy4;
  gint64 field_int64;
  char dummy5;
  gchar *field_pointer;
  char dummy6;
  gfloat field_float;
  char dummy7;
  gdouble field_double;
  char dummy8;
  gsize field_size;
};

typedef enum {
  OFFSETS_ENUM_1 = 1 /* compiler could use int8, uint8, int16, uint16, int32, uint32 */
} OffsetsEnum1;

typedef enum {
  OFFSETS_ENUM_2 = 128 /* compiler could use uint8, int16, uint16, int32, uint32 */
} OffsetsEnum2;

typedef enum {
  OFFSETS_ENUM_3 = 257 /* compiler could use int16, uint16, int32, uint32 */
} OffsetsEnum3;

typedef enum {
  OFFSETS_ENUM_4 = G_MAXSHORT + 1 /* compiler could use uint16, int32, uint32 */
} OffsetsEnum4;

typedef enum {
  OFFSETS_ENUM_5 = G_MAXUSHORT + 1 /* compiler could use int32, uint32 */
} OffsetsEnum5;

typedef enum {
  OFFSETS_ENUM_6 = ((guint)G_MAXINT) + 1 /* compiler could use uint32 */
} OffsetsEnum6;

/* Test that we get the width of enum fields right. The char after
 * each field will have aligment 1 (almost certainly) so should
 * be placed right the field.
 */
typedef struct _OffsetsEnum OffsetsEnum;

struct _OffsetsEnum {
  OffsetsEnum1 enum1;
  char dummy1;
  OffsetsEnum2 enum2;
  char dummy2;
  OffsetsEnum3 enum3;
  char dummy3;
  OffsetsEnum4 enum4;
  char dummy4;
  OffsetsEnum5 enum5;
  char dummy5;
  OffsetsEnum6 enum6;
  char dummy6;
};

/* Test nested structures
 */

typedef struct _OffsetsNestee OffsetsNestee;

struct _OffsetsNestee {
  char field1;
  double field2; /* alignment of structure is greater than its first element */
  char field3; /* structure has tail padding */
};

typedef union _OffsetsNesteeUnion OffsetsNesteeUnion;

union _OffsetsNesteeUnion {
  char field1;
  double field2;
};

typedef struct _OffsetsNested OffsetsNested;

struct _OffsetsNested {
  char dummy1;
  OffsetsNestee nestee;
  char dummy2;
  OffsetsNesteeUnion nestee_union;
  char dummy3;
};

/* Test array offsets
 */

typedef struct _OffsetsArray OffsetsArray;

struct _OffsetsArray
{ 
  gint some_ints[2];
  gint8 some_int8s[3];
  gdouble some_doubles[4];
  OffsetsEnum1 some_enum[2];
  gpointer some_ptrs[5];
};

/* Test object offsets */

typedef struct _OffsetsObj OffsetsObj;
typedef struct _OffsetsObjClass OffsetsObjClass;

struct _OffsetsObj
{
  GObject parent_instance;

  GObject *other;
};

struct _OffsetsObjClass
{
  GObjectClass parent_class;
};

#endif /* __OFFSETS_H__ */